I'm reposting the information one of the folks attending the session (SouthernOracle) pulled together for us as a schedule and outline for the release:
Proposed Project Timeline
• September: Section A
• October: Section B
• November: Section C (Part One complete)
• December: Section D
• January: Sections E and F (Part Two complete)
• February: Sections G and H
• March: Section I (Part Three complete)
• April: Introduction and Supplemental Material
(adventure is complete and released for 3.5)
• May: 4E conversion
I. Introduction
a. Campaign Assumptions
i. Faction War took place as written
ii. The Athar are at the base of the Spire
iii. Rules set is 3.5
b. Story Background
c. Flowchart of Events
d. Faction Attitudes
II. Part One
a. Section A
i. Level 3
ii. Multiple starting points depending on the campaign setting
b. Section B
i. Level 4
ii. Interchangeable with Section C
iii. Includes scaling instructions
c. Section C
i. Level 5
ii. Interchangeable with Sections B and D
iii. Includes scaling instructions
III. Part Two
a. Section D
i. Level 6
ii. Interchangeable with Sections C and E
iii. Includes scaling instructions
b. Section E
i. Level 7
ii. Interchangeable with Sections D and F
iii. Includes scaling instructions
c. Section F
i. Level 8
ii. Interchangeable with Sections E and G
iii. Includes scaling instructions
IV. Part Three
a. Section G
i. Level 9
ii. Interchangeable with Sections F and H
iii. Includes scaling instructions
b. Section H
i. Level 10
ii. Interchangeable with Section G
iii. Includes scaling instructions
c. Section I
i. Level 11
ii. Multiple conclusions depending on the campaign setting
iii. Story hooks for continuing the arc
V. NPCs
a. Major
i. Center-of-All (N male aurumach rilmani)
ii. Factol Jaya Forlorn (NG female human ex-cleric 7/fighter 2/defier 5 Athar)
iii. Hobard (CN male githzerai wizard 11/fist of divinity 2 Athar)
iv. Rule-of-Three (CE male marquis cambion scout 6)
v. Unity-of-Rings (LG male movanic deva proxy of Tyr)
b. Minor
VI. Supplemental Material
a. Playing a nerra
b. Playing a rilmani
c. New magic items
d. Map of Sum-of-All (rilmani capital by the Spire)
e. Map of Refuge (Athar settlement by the Spire)
My Google-fu is very weak...I couldn't find it.

Not that I do not agree with the outline but, if this is designed to be a follow-up to the Faction War, should not the level set be starting around the level cap of where that module ended?